Question: "What's the {border} of {Japan}, whose {language official} is {Buryat}?"
Paraphrase: "What's the {border} of {Japan}, whose {language official} is {Buryat}?"
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q17 wdt:P47 ?answer . ?answer wdt:P37 wd:Q33120}